Telephone set



FIG. 1 is a perspective view of a telephone set showing my new design;

FIG. 2 is another perspective view of the telephone set showing the handset in place and the cover/screen down;

FIG. 3 is another perspective view of the telephone set showing the handset in place and the cover/screen up;

FIG. 4 is a left side view of the telephone set;

FIG. 5 is a right side view of the telephone set; and,

FIG. 6 is a bottom plan view of the telephone set.

The broken line showings of displayed characters in the display window of FIGS. 1, 3, and 5 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a telephone set, as shown and described. 